./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3428809e66c8ffa9373e37ec3d02a46642c7f8bc ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:30:50,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:30:50,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:30:50,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:30:50,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:30:50,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:30:50,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:30:50,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:30:50,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:30:50,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:30:50,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:30:50,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:30:50,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:30:50,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:30:50,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:30:50,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:30:50,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:30:50,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:30:50,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:30:50,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:30:50,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:30:50,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:30:50,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:30:50,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:30:50,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:30:50,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:30:50,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:30:50,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:30:50,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:30:50,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:30:50,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:30:50,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:30:50,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:30:50,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:30:50,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:30:50,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:30:50,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:30:50,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:30:50,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:30:50,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:30:50,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:30:50,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 03:30:50,872 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:30:50,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:30:50,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:30:50,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:30:50,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:30:50,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:30:50,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:30:50,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:30:50,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:30:50,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:30:50,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:30:50,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:30:50,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:30:50,884 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:30:50,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:30:50,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:30:50,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:30:50,885 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:30:50,885 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:30:50,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:30:50,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:30:50,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:30:50,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:30:50,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:30:50,887 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:30:50,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:30:50,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:30:50,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2021-10-13 03:30:51,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:30:51,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:30:51,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:30:51,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:30:51,229 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:30:51,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-13 03:30:51,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/data/ca4af8202/80164b5be5e247f7a47d468c02cde86c/FLAGa908d4dd9 [2021-10-13 03:30:51,770 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:30:51,770 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-13 03:30:51,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/data/ca4af8202/80164b5be5e247f7a47d468c02cde86c/FLAGa908d4dd9 [2021-10-13 03:30:52,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/data/ca4af8202/80164b5be5e247f7a47d468c02cde86c [2021-10-13 03:30:52,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:30:52,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:30:52,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:30:52,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:30:52,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:30:52,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42199b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52, skipping insertion in model container [2021-10-13 03:30:52,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:30:52,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:30:52,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:30:52,362 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:30:52,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:30:52,398 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:30:52,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52 WrapperNode [2021-10-13 03:30:52,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:30:52,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:30:52,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:30:52,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:30:52,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:30:52,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:30:52,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:30:52,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:30:52,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:30:52,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:30:52,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:30:52,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:30:52,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:30:52,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:30:52,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:30:52,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:30:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 03:30:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:30:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:30:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 03:30:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:30:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 03:30:52,744 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:30:52,744 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 03:30:52,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:30:52 BoogieIcfgContainer [2021-10-13 03:30:52,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:30:52,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:30:52,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:30:52,758 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:30:52,758 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:30:52" (1/1) ... [2021-10-13 03:30:52,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:30:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-10-13 03:30:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-13 03:30:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:30:52,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:52,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:30:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-10-13 03:30:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-10-13 03:30:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:30:53,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:53,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:30:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-10-13 03:30:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-13 03:30:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:30:53,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:53,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:30:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2021-10-13 03:30:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-10-13 03:30:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:30:53,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:53,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:30:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-10-13 03:30:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-10-13 03:30:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:30:53,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:53,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:30:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-10-13 03:30:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-10-13 03:30:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:30:53,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:53,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:30:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:54,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2021-10-13 03:30:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-10-13 03:30:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:30:54,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:54,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:30:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2021-10-13 03:30:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-10-13 03:30:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:30:54,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:54,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:30:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:30:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:30:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2021-10-13 03:30:54,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2021-10-13 03:30:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:30:54,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:30:54,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:30:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:30:54,287 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:30:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:30:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:30:54,359 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:30:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:30:54,399 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2021-10-13 03:30:54,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:30:54 ImpRootNode [2021-10-13 03:30:54,434 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:30:54,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:30:54,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:30:54,435 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:30:54,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:30:52" (3/4) ... [2021-10-13 03:30:54,437 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:30:54,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:30:54,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:30:54,498 INFO L168 Benchmark]: Toolchain (without parser) took 2351.13 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 79.7 MB in the beginning and 68.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:30:54,501 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 109.1 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:30:54,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.69 ms. Allocated memory is still 109.1 MB. Free memory was 79.4 MB in the beginning and 84.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:30:54,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.34 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:30:54,506 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 82.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:30:54,507 INFO L168 Benchmark]: RCFGBuilder took 290.40 ms. Allocated memory is still 109.1 MB. Free memory was 82.2 MB in the beginning and 72.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:30:54,508 INFO L168 Benchmark]: CodeCheck took 1686.17 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.1 MB in the beginning and 70.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-13 03:30:54,509 INFO L168 Benchmark]: Witness Printer took 62.32 ms. Allocated memory is still 132.1 MB. Free memory was 70.3 MB in the beginning and 68.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:30:54,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1605.4ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 864 SDtfs, 348 SDslu, 16 SDs, 0 SdLazy, 3486 SolverSat, 1294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 583.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 405 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 595.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 25.5ms SsaConstructionTime, 149.9ms SatisfiabilityAnalysisTime, 440.2ms InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 2/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] EXPR a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR a[i] [L26] i + offset + a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 109.1 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.69 ms. Allocated memory is still 109.1 MB. Free memory was 79.4 MB in the beginning and 84.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.34 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.64 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 82.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 290.40 ms. Allocated memory is still 109.1 MB. Free memory was 82.2 MB in the beginning and 72.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1686.17 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.1 MB in the beginning and 70.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Witness Printer took 62.32 ms. Allocated memory is still 132.1 MB. Free memory was 70.3 MB in the beginning and 68.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 03:30:54,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63937e95-c86b-4dc6-b219-4ac0f44e3a03/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...